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comparison src/share/vm/gc_implementation/g1/heapRegionSet.hpp @ 6010:720b6a76dd9d

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7157073: G1: type change size_t -> uint for region counts / indexes Summary: Change the type of fields / variables / etc. that represent region counts and indeces from size_t to uint. Reviewed-by: iveresov, brutisso, jmasa, jwilhelm
author tonyp
date Wed, 18 Apr 2012 07:21:15 -0400
parents 0b3d1ec6eaee
children a2f7274eb6ef
comparison
equal deleted inserted replaced
6009:dde53abda3d6 6010:720b6a76dd9d
60 friend class hrs_ext_msg; 60 friend class hrs_ext_msg;
61 friend class HRSPhaseSetter; 61 friend class HRSPhaseSetter;
62 friend class VMStructs; 62 friend class VMStructs;
63 63
64 protected: 64 protected:
65 static size_t calculate_region_num(HeapRegion* hr); 65 static uint calculate_region_num(HeapRegion* hr);
66 66
67 static size_t _unrealistically_long_length; 67 static uint _unrealistically_long_length;
68 68
69 // The number of regions added to the set. If the set contains 69 // The number of regions added to the set. If the set contains
70 // only humongous regions, this reflects only 'starts humongous' 70 // only humongous regions, this reflects only 'starts humongous'
71 // regions and does not include 'continues humongous' ones. 71 // regions and does not include 'continues humongous' ones.
72 size_t _length; 72 uint _length;
73 73
74 // The total number of regions represented by the set. If the set 74 // The total number of regions represented by the set. If the set
75 // does not contain humongous regions, this should be the same as 75 // does not contain humongous regions, this should be the same as
76 // _length. If the set contains only humongous regions, this will 76 // _length. If the set contains only humongous regions, this will
77 // include the 'continues humongous' regions. 77 // include the 'continues humongous' regions.
78 size_t _region_num; 78 uint _region_num;
79 79
80 // We don't keep track of the total capacity explicitly, we instead 80 // We don't keep track of the total capacity explicitly, we instead
81 // recalculate it based on _region_num and the heap region size. 81 // recalculate it based on _region_num and the heap region size.
82 82
83 // The sum of used bytes in the all the regions in the set. 83 // The sum of used bytes in the all the regions in the set.
84 size_t _total_used_bytes; 84 size_t _total_used_bytes;
85 85
86 const char* _name; 86 const char* _name;
87 87
88 bool _verify_in_progress; 88 bool _verify_in_progress;
89 size_t _calc_length; 89 uint _calc_length;
90 size_t _calc_region_num; 90 uint _calc_region_num;
91 size_t _calc_total_capacity_bytes; 91 size_t _calc_total_capacity_bytes;
92 size_t _calc_total_used_bytes; 92 size_t _calc_total_used_bytes;
93 93
94 // This is here so that it can be used in the subclasses to assert 94 // This is here so that it can be used in the subclasses to assert
95 // something different depending on which phase the GC is in. This 95 // something different depending on which phase the GC is in. This
151 virtual void clear(); 151 virtual void clear();
152 152
153 HeapRegionSetBase(const char* name); 153 HeapRegionSetBase(const char* name);
154 154
155 public: 155 public:
156 static void set_unrealistically_long_length(size_t len); 156 static void set_unrealistically_long_length(uint len);
157 157
158 const char* name() { return _name; } 158 const char* name() { return _name; }
159 159
160 size_t length() { return _length; } 160 uint length() { return _length; }
161 161
162 bool is_empty() { return _length == 0; } 162 bool is_empty() { return _length == 0; }
163 163
164 size_t region_num() { return _region_num; } 164 uint region_num() { return _region_num; }
165 165
166 size_t total_capacity_bytes() { 166 size_t total_capacity_bytes() {
167 return region_num() << HeapRegion::LogOfHRGrainBytes; 167 return (size_t) region_num() << HeapRegion::LogOfHRGrainBytes;
168 } 168 }
169 169
170 size_t total_used_bytes() { return _total_used_bytes; } 170 size_t total_used_bytes() { return _total_used_bytes; }
171 171
172 virtual void verify(); 172 virtual void verify();
339 // (i.e., they have been tagged with "pending_removal"). The list 339 // (i.e., they have been tagged with "pending_removal"). The list
340 // must not be empty, target_count should reflect the exact number 340 // must not be empty, target_count should reflect the exact number
341 // of regions that are pending for removal in the list, and 341 // of regions that are pending for removal in the list, and
342 // target_count should be > 1 (currently, we never need to remove a 342 // target_count should be > 1 (currently, we never need to remove a
343 // single region using this). 343 // single region using this).
344 void remove_all_pending(size_t target_count); 344 void remove_all_pending(uint target_count);
345 345
346 virtual void verify(); 346 virtual void verify();
347 347
348 virtual void print_on(outputStream* out, bool print_contents = false); 348 virtual void print_on(outputStream* out, bool print_contents = false);
349 }; 349 };